Mitsubishi · two-stroke

Mitsubishi UEC50LS Spare Parts

Genuine and Alang-reconditioned spare parts for the Mitsubishi UEC50LS — handysize bulkers, product tankers, roro. Shipped from Bhavnagar, India to any port worldwide.

Parameter	UEC50LS
Maker	Mitsubishi
Model	UEC50LS
Type	Two-stroke crosshead marine diesel
Bore	500 mm
Stroke	~1,750–1,800 mm (legacy LS; not separately tabled in catalogue — superseded by LSII listed below)
Cylinders	4, 5, 6, 7, 8 cylinders (typical)
Power	Not publicly available as standalone; legacy data merged into UEC50LSII
Speed at MCR	~127 rpm (approx LSII pattern)
MEP	Not publicly available
SFOC	Not publicly available (≈170–177 g/kWh estimated)
Status	Obsolete (succeeded by UEC50LSII early 1990s)
Production years	Early/mid-1980s — early 1990s
Application	Handysize bulkers, product tankers, RoRo

Figures as published for the UEC50LS. Where a figure is not in a source we hold, this page says “not published to us” rather than estimating it. Send your engine number and part number and we confirm against the plate before quoting.

UEC50LS Spare Parts We Supply

Cylinder liner
Piston crown
Piston skirt
Piston rod
Piston rings
Cylinder cover
Exhaust valve spindle, seat and cage
Fuel injection pump
Fuel valve / injector
Starting air valve
Stuffing box
Main, crosshead and crankpin bearings
Thrust bearing
Cylinder lubricator quills
Turbocharger rotor and nozzle ring

Genuine, OEM-equivalent and Alang-reconditioned. Every reconditioned part is measured against the maker’s limits before it leaves us. If your part is not listed, send the part number — most Mitsubishi items are sourceable through the yard.

About the Mitsubishi UEC50LS

The UEC50LS is a two-stroke crosshead marine diesel engine. It runs a 500 mm bore and ~1,750–1,800 mm (legacy LS; not separately tabled in catalogue — superseded by LSII listed below) stroke. Status: Obsolete (succeeded by UEC50LSII early 1990s). Built Early/mid-1980s — early 1990s. Application: Handysize bulkers, product tankers, RoRo

Source: Mitsubishi Heavy Industries UEC engine programme + our Mitsubishi UEC spec research file

Why Source UEC50LS Parts from Wattmare?

We are in Bhavnagar, next to Alang — the world’s largest ship-recycling yard, and where reconditioned main-engine parts actually come from. We hold fast-moving items, source the rest through the yard and our trader network, and dispatch worldwide in 24–48 hours on emergency orders.

Salim Dholia
Wattmare · Bhavnagar / Alang, India

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Frequently Asked Questions

What Mitsubishi UEC50LS spare parts do you supply?

Genuine, OEM-equivalent and Alang-reconditioned parts for the UEC50LS, including cylinder liner, piston crown, piston skirt, piston rod, piston rings. Send the part number for anything not listed.

What is the delivery time for UEC50LS parts?

Stock items dispatch the same or next working day from Bhavnagar. Emergency orders ship in 24–48 hours to any major port. Sourced items depend on the yard — we confirm a real date before you commit.

Are your UEC50LS parts genuine or reconditioned?

Both. We supply genuine and OEM-equivalent new parts, and Alang-reconditioned parts measured against the maker's limits before dispatch. We tell you which you are buying — we do not sell reconditioned as new.

Need UEC50LS parts?

Send the engine number and part number. We quote with a real availability date, not a maybe.

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